SG46134A1 - Process for the separation of aliphatic diacids from their mixtures with adipic acid - Google Patents
Process for the separation of aliphatic diacids from their mixtures with adipic acidInfo
- Publication number
- SG46134A1 SG46134A1 SG1995000626A SG1995000626A SG46134A1 SG 46134 A1 SG46134 A1 SG 46134A1 SG 1995000626 A SG1995000626 A SG 1995000626A SG 1995000626 A SG1995000626 A SG 1995000626A SG 46134 A1 SG46134 A1 SG 46134A1
- Authority
- SG
- Singapore
- Prior art keywords
- mixtures
- separation
- adipic acid
- aliphatic diacids
- diacids
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/56—Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Pyrane Compounds (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9407505A FR2721019B1 (en) | 1994-06-14 | 1994-06-14 | Process for the separation of aliphatic diacids from their mixtures with adipic acid. |
Publications (1)
Publication Number | Publication Date |
---|---|
SG46134A1 true SG46134A1 (en) | 1998-02-20 |
Family
ID=9464388
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG1995000626A SG46134A1 (en) | 1994-06-14 | 1995-06-13 | Process for the separation of aliphatic diacids from their mixtures with adipic acid |
Country Status (16)
Country | Link |
---|---|
US (1) | US5587056A (en) |
EP (1) | EP0687663B1 (en) |
JP (1) | JP2805455B2 (en) |
KR (1) | KR100393435B1 (en) |
CN (1) | CN1066708C (en) |
BR (1) | BR9502744A (en) |
CA (1) | CA2151695C (en) |
CZ (1) | CZ152095A3 (en) |
DE (1) | DE69511629T2 (en) |
FR (1) | FR2721019B1 (en) |
PL (1) | PL179709B1 (en) |
RU (1) | RU2147572C1 (en) |
SG (1) | SG46134A1 (en) |
SK (1) | SK282209B6 (en) |
TW (1) | TW472038B (en) |
UA (1) | UA48108C2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3621271A1 (en) * | 1986-06-25 | 1988-01-07 | Boehringer Mannheim Gmbh | METHOD AND REAGENT FOR DETERMINING ALPHA AMYLASE |
FR2927081B1 (en) * | 2008-02-01 | 2012-09-14 | Rhodia Operations | POLYURETHANE FOAM |
US11111201B2 (en) * | 2017-04-26 | 2021-09-07 | Solvay Sa | Reduction of content of carboxylic acids and derivatives thereof in oleum, disulfuric acid or concentrated sulfuric acid |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1316914A (en) * | 1961-03-06 | 1963-02-01 | Chemstrand Corp | Process for recovering organic diacids |
DE1938103A1 (en) * | 1969-07-26 | 1971-01-28 | Basf Ag | Dicarboxylic acids from their mixtures |
US3957830A (en) * | 1975-03-17 | 1976-05-18 | Basf Aktiengesellschaft | Manufacture of succinic anhydride |
DE2860871D1 (en) * | 1977-12-19 | 1981-10-29 | Ici Plc | Process for the purification of alkane dicarboxylic acids having at least 4 carbon atoms |
US4230887A (en) * | 1978-02-16 | 1980-10-28 | Celanese Corporation | Recovery of anhydrous acids |
FR2666808B1 (en) | 1990-09-18 | 1994-04-01 | Rhone Poulenc Chimie | PROCESS FOR THE PREPARATION OF ADIPIC ACID BY HYDROCARBOXYLATION OF PENTENIC ACIDS. |
FR2667312B1 (en) | 1990-09-28 | 1994-04-08 | Rhone Poulenc Chimie | PROCESS FOR THE PREPARATION OF ADIPIC ACID BY HYDROCARBOXYLATION OF PENTENIC ACIDS. |
FR2670779A1 (en) | 1990-12-20 | 1992-06-26 | Rhone Poulenc Chimie | PROCESS FOR THE PREPARATION OF ADIPIC ACID BY HYDROCARBOXYLATION OF PENTENIC ACIDS |
FR2675797B1 (en) | 1991-04-26 | 1994-10-28 | Rhone Poulenc Chimie | PROCESS FOR THE PREPARATION OF ADIPIC ACID BY HYDROCARBOXYLATION OF PENTENIC ACIDS. |
FR2682104A1 (en) | 1991-10-03 | 1993-04-09 | Rhone Poulenc Chimie | PROCESS FOR THE PREPARATION OF ADIPIC ACID BY HYDROCARBOXYLATION OF PENTENIC ACIDS. |
US5292944A (en) * | 1993-06-29 | 1994-03-08 | E. I. Du Pont De Nemours And Company | Process for the preparation of adipic acid or pentenoic acid |
-
1994
- 1994-06-14 FR FR9407505A patent/FR2721019B1/en not_active Expired - Lifetime
-
1995
- 1995-05-24 TW TW084105240A patent/TW472038B/en not_active IP Right Cessation
- 1995-06-09 BR BR9502744A patent/BR9502744A/en not_active IP Right Cessation
- 1995-06-12 CZ CZ951520A patent/CZ152095A3/en unknown
- 1995-06-12 DE DE69511629T patent/DE69511629T2/en not_active Expired - Fee Related
- 1995-06-12 PL PL95309077A patent/PL179709B1/en not_active IP Right Cessation
- 1995-06-12 EP EP95420155A patent/EP0687663B1/en not_active Expired - Lifetime
- 1995-06-12 SK SK769-95A patent/SK282209B6/en unknown
- 1995-06-13 RU RU95109862A patent/RU2147572C1/en not_active IP Right Cessation
- 1995-06-13 SG SG1995000626A patent/SG46134A1/en unknown
- 1995-06-13 CN CN95107175A patent/CN1066708C/en not_active Expired - Fee Related
- 1995-06-13 CA CA002151695A patent/CA2151695C/en not_active Expired - Fee Related
- 1995-06-13 UA UA95062760A patent/UA48108C2/en unknown
- 1995-06-14 US US08/490,231 patent/US5587056A/en not_active Expired - Lifetime
- 1995-06-14 JP JP7170478A patent/JP2805455B2/en not_active Expired - Fee Related
- 1995-06-14 KR KR1019950015776A patent/KR100393435B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1127744A (en) | 1996-07-31 |
JP2805455B2 (en) | 1998-09-30 |
CZ152095A3 (en) | 1996-01-17 |
EP0687663B1 (en) | 1999-08-25 |
SK76995A3 (en) | 1996-01-10 |
PL179709B1 (en) | 2000-10-31 |
JPH083098A (en) | 1996-01-09 |
CA2151695A1 (en) | 1995-12-15 |
KR960000840A (en) | 1996-01-25 |
RU95109862A (en) | 1997-04-20 |
DE69511629D1 (en) | 1999-09-30 |
BR9502744A (en) | 1996-04-09 |
FR2721019B1 (en) | 1996-09-06 |
PL309077A1 (en) | 1995-12-27 |
FR2721019A1 (en) | 1995-12-15 |
CA2151695C (en) | 2000-10-17 |
KR100393435B1 (en) | 2003-11-03 |
TW472038B (en) | 2002-01-11 |
CN1066708C (en) | 2001-06-06 |
EP0687663A1 (en) | 1995-12-20 |
UA48108C2 (en) | 2002-08-15 |
SK282209B6 (en) | 2001-12-03 |
RU2147572C1 (en) | 2000-04-20 |
DE69511629T2 (en) | 2000-01-13 |
US5587056A (en) | 1996-12-24 |
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